> On Mon, Dec 07, 2009 at 10:01:14PM -0500, John David Anglin wrote:
> > - volatile unsigned int *a;
> > + volatile register unsigned int *a asm ("r20") = __ldcw_align(x);
> >
>
> I'm reticent about moving the assignment around the mb(), should I edit
> this to return the assignment and apply, or apply as is?
I don't believe the __ldcw_align operation involves a memory read or
write. It's just adjusting a pointer. Thus moving it past the mb()
shouldn't matter. That said, I been wrong before...
Dave
--
J. David Anglin dave.anglin@xxxxxxxxxxxxxx
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
--
To unsubscribe from this list: send the line "unsubscribe linux-parisc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
